%0 Journal Article
%A V. A. Kozlov
%T The strong zero theorem for an elliptic boundary value problem in an angle
%J Sbornik. Mathematics
%D 1990
%P 283-302
%V 67
%N 1
%U http://geodesic.mathdoc.fr/item/SM_1990_67_1_a16/
%G en
%F SM_1990_67_1_a16